<template>
  <div>
    <!-- 面包屑导肮区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片试图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="10">
          <el-input
            placeholder="请输入内容"
            clearable
            @clear="getUseList"
            v-model="queryInfo.query"
            class="input-with-select"
          >
            <el-button slot="append" icon="el-icon-search" @click="getUseList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template v-slot="scope">
            <el-switch v-model="scope.row.mg_state" @change="userstateChange(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="200">
          <template v-slot="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>

            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="showDeleteDialog(scope.row.id)"
            ></el-button>

            <!-- 分配角色按钮 -->
            <el-tooltip
              class="item"
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户" @close="addDialogClosed" :visible.sync="addDialogVisible" width="40%">
      <!-- 内容主体区域 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 编辑用户的对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="40%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色的对话框 -->
    <el-dialog title="角色分配" :visible.sync="setRoleDialogVisible" width="30%" @close="setRoleDialogClosed">
        <el-form ref="userInfo" :model="userInfo" label-width="80px">
          <el-form-item label="当前用户">
            <el-input v-model="userInfo.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="当前角色">
            <el-input v-model="userInfo.role_name" disabled></el-input>
          </el-form-item>
          <el-form-item label="分配角色">
            <el-select v-model="selectedRoleId" placeholder="请选择">
                <el-option v-for="item in roleList" :key="item.id"  :label="item.roleName" :value="item.id"></el-option>
              </el-select>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="setRoleDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    //验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      //验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;

      if (regEmail.test(value)) {
        //合法的邮箱
        return cb();
      }
      cb(new Error("请输入合法的邮箱"));
    };
    //验证手机的规则
    var checkMoblie = (rule, value, cb) => {
      //验证手机号的正则表达式
      const regMoblie = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;

      if (regMoblie.test(value)) {
        //合法的手机号
        return cb();
      }
      cb(new Error("请输入合法的手机号"));
    };
    return {
      userName: "",
      queryInfo: {
        query: "",
        //页数
        pagenum: 1,
        //当前每页显示多少条
        pagesize: 10
      },
      userList: [],
      total: 0,
      //控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      //添加用户的表单数据
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: ""
      },
      //添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 10, message: "长度在 3 到 10 个字符", trigger: "blur" }
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 15, message: "长度在 6 到 15 个字符", trigger: "blur" }
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" }
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkMoblie, trigger: "blur" }
        ]
      },
      //控制修改用户的对话框的显示与隐藏
      editDialogVisible: false,
      //查询到的用户数据
      editForm: {},
      //表单验证
      editFormRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" }
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkMoblie, trigger: "blur" }
        ]
      },
      //控制分配角色对话框的显示与隐藏
      setRoleDialogVisible:false,
      //需要被分配角色的用户信息
      userInfo:{},
      //所有的角色数据
      roleList:[],
      //已选中的角色Id值
      selectedRoleId:'',
    };
  },
  created() {
    this.getUseList();
  },
  methods: {
    async getUseList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo
      });
      console.log(res);
      if (res.meta.status != 200) {
        return this.$message.error("用户数据获取错误!");
      }
      this.userList = res.data.users;
      this.total = res.data.total;
    },
    //监听pagesize改变的时间
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getUseList();
      console.log(newSize);
    },
    //监听页码值改变的时间
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUseList();
      console.log(newPage);
    },
    //监听switch开关状态
    async userstateChange(userInfo) {
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state;
        return this.$message.error("更新用户状态失败!");
      }
      this.$message.success("更新用户状态成功！");
    },
    //监听台南佳用户对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    //点击按钮添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return;
        //可以发起添加用户的请求
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status !== 201) {
          this.$message.error("添加用户失败!");
        }
        this.$message.success("添加用户成功!");
        //隐藏添加用户的对话框
        this.addDialogVisible = false;
        //重新获取用户数据列表
        this.getUseList();
      });
    },
    //展示编辑用户的对话框
    async showEditDialog(id) {
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("查询用户信息失败！");
      }
      this.editForm = res.data;
      this.editDialogVisible = true;
    },
    //监听对话框关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    //修改用户并提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return;
        //发起修改用户信息的数据请求
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        );
        if (res.meta.status !== 200) {
          return this.$message.error("用户信息更新失败!");
        }
        //关闭对话框
        this.editDialogVisible = false;
        //刷新数据列表
        this.getUseList();
        //提示修改成功
        this.$message.success("用户信息更新成功!");
      });
    },
    //删除用户
    showDeleteDialog(id) {
        this.$confirm("此操作将永久删除该用户, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      })
        .then(async ()=> {
          const {data:res} =  await this.$http.delete('users/'+id)
          if(res.meta.status !== 200) {
            return this.$message.error('删除用户失败!')
          }

          this.$message({
            type: "success",
            message: "删除成功!"
          });
          this.getUseList()
        })
        .catch(() => {
          this.$message({
            type: "info",
            message: "已取消删除"
          });
        });
    },
    //展示分配角色的事件
    async setRole(userInfo){
      this.userInfo = userInfo
      //在展示对话框之前 获取所有的角色列表
      const {data:res} = await this.$http.get('roles')
      if(res.meta.status !== 200){
        return this.$message.error('获取角色列表失败！')
      }
      this.roleList = res.data
      this.setRoleDialogVisible = true
    },
    //点击按钮保存角色
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('请选择要分配的角色')
      }
      const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})

      if(res.meta.status !== 200){
        return this.$message.error(res.meta.msg)
      }
      this.$message.success('更新角色成功')
      this.getUseList()
      this.setRoleDialogVisible = false
    },
    //监听分配角色对话框的关闭事件
    setRoleDialogClosed(){
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
};
</script>

<style lang="less" scoped>
</style>